JPS5646450A - Detector for hematic emulsion in blood specimen - Google Patents

Detector for hematic emulsion in blood specimen

Info

Publication number
JPS5646450A
JPS5646450A JP12184779A JP12184779A JPS5646450A JP S5646450 A JPS5646450 A JP S5646450A JP 12184779 A JP12184779 A JP 12184779A JP 12184779 A JP12184779 A JP 12184779A JP S5646450 A JPS5646450 A JP S5646450A
Authority
JP
Japan
Prior art keywords
emulsion
light
comparator
red
circuits
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP12184779A
Other languages
Japanese (ja)
Other versions
JPS6334977B2 (en
Inventor
Hiromizu Miyamoto
Kimitada Inaba
Tomohito Koyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Terumo Corp
Original Assignee
Terumo Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Terumo Corp filed Critical Terumo Corp
Priority to JP12184779A priority Critical patent/JPS5646450A/en
Publication of JPS5646450A publication Critical patent/JPS5646450A/en
Publication of JPS6334977B2 publication Critical patent/JPS6334977B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N21/3151—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using two sources of radiation of different wavelengths

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

PURPOSE:To realize an automatic detection with no individual difference, by performing a decision via a comparator on the basis of the state of transmission and attenuation of the prescribed double-color light. CONSTITUTION:In the state under which both the red and green light emitting diodes 23a and 23b have no light emission through the time-division process given via the CPU25 and the control part 26, the drift component such as the disturbance or the like is held by the holding circuit 29 via the photodetector 24. Then the light reception value due to the element 24 of red and green light which transmits the specimen 20 is held successively by the holding circuits 30 and 31. The value of difference between the circuits 29 and 30 obtained through the differential amplifier 32 is compared via the comparator 34 with the emulsion deciding reference set value. In the same way, the difference of holding value between the circuits 30 and 31 is compared with the weak-degree hematic deciding reference voltage of the comparator 36. The result of comparison is latched at the latch circuit 37. Thus a decision based on the fact that the green light and the red light has a large amount of attenuation during the dissolution of blood and during the emulsion respectively is carried out by the CPU25. Thus an automatic detection is given to both the blood dissolution and the emulsion with no individual difference.
JP12184779A 1979-09-21 1979-09-21 Detector for hematic emulsion in blood specimen Granted JPS5646450A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12184779A JPS5646450A (en) 1979-09-21 1979-09-21 Detector for hematic emulsion in blood specimen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12184779A JPS5646450A (en) 1979-09-21 1979-09-21 Detector for hematic emulsion in blood specimen

Publications (2)

Publication Number Publication Date
JPS5646450A true JPS5646450A (en) 1981-04-27
JPS6334977B2 JPS6334977B2 (en) 1988-07-13

Family

ID=14821399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12184779A Granted JPS5646450A (en) 1979-09-21 1979-09-21 Detector for hematic emulsion in blood specimen

Country Status (1)

Country Link
JP (1) JPS5646450A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6367865U (en) * 1986-10-20 1988-05-07
JPS6444464U (en) * 1987-09-14 1989-03-16
EP1623211A4 (en) * 2003-04-25 2006-10-25 Prometheus Biosciences Inc SYSTEMS AND METHODS FOR MONITORING CHEMICAL AND BIOLOGICAL ACTIVITIES USING DIFFERENTIAL MEASUREMENTS
US7713477B2 (en) 2002-04-26 2010-05-11 Hefti John J Systems and methods for monitoring chemical and biological activities using differential measurements
CN102519887A (en) * 2005-03-29 2012-06-27 希森美康株式会社 Method of analyte analysis and analyte analyzer
JP2012159481A (en) * 2011-02-03 2012-08-23 Hitachi High-Technologies Corp Analyzer and analyzing method for biological sample
JP7726555B1 (en) * 2024-08-06 2025-08-20 株式会社エーディーエステック Method for determining the concentration of a sample-containing liquid

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6367865U (en) * 1986-10-20 1988-05-07
JPS6444464U (en) * 1987-09-14 1989-03-16
US7713477B2 (en) 2002-04-26 2010-05-11 Hefti John J Systems and methods for monitoring chemical and biological activities using differential measurements
EP1623211A4 (en) * 2003-04-25 2006-10-25 Prometheus Biosciences Inc SYSTEMS AND METHODS FOR MONITORING CHEMICAL AND BIOLOGICAL ACTIVITIES USING DIFFERENTIAL MEASUREMENTS
CN102519887A (en) * 2005-03-29 2012-06-27 希森美康株式会社 Method of analyte analysis and analyte analyzer
CN102519887B (en) * 2005-03-29 2015-09-09 希森美康株式会社 Sample analyzing method and sample analyzer
JP2012159481A (en) * 2011-02-03 2012-08-23 Hitachi High-Technologies Corp Analyzer and analyzing method for biological sample
JP7726555B1 (en) * 2024-08-06 2025-08-20 株式会社エーディーエステック Method for determining the concentration of a sample-containing liquid

Also Published As

Publication number Publication date
JPS6334977B2 (en) 1988-07-13

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